---
title: "Cal Poly Sign-In Experience (Classic Compared to Microsoft)"
canonical: "https://tech.calpoly.edu/space/CPKB/3556835329/Cal%20Poly%20Sign-In%20Experience%20(Classic%20Compared%20to%20Microsoft)"
format: markdown
---
Cal Poly currently uses two sign-in services for websites and programs - Cal Poly Classic and Microsoft.

## **Classic and Microsoft Sign-Ins **

- **Classic Sign-In:** Is used for many Cal Poly websites and applications
- **Microsoft Sign-In:** Is used primarily for Microsoft and Azure product sign-ins, including Office 365, OneDrive, Azure, Teams, and related services.

> ℹ️ **NOTE:** Both methods require Multi-Factor Authentication through [Duo](https://calpoly.atlassian.net/wiki/spaces/CPKB/pages/2425367).   
> ℹ️ <span style="color: #0747a6">*That inherent process is not included in the examples below.*</span>

  
The following information illustrates the two sign-in methods and the acceptable authentication options for each.